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authorKeith Kanios <keith@kanios.net>2011-04-09 22:18:47 -0500
committerKeith Kanios <keith@kanios.net>2011-04-09 22:18:47 -0500
commit47308e9797b1e9ff92ebbfc648dd04c123e273a7 (patch)
tree9faf53a3b8e723bff29c07848aebe05946f1fd4d
parent918317c4ce857458b219b132094eacd8e9b96931 (diff)
downloadnasm-pragma.tar.gz
nasm-pragma.tar.xz
nasm-pragma.zip
initial branch of %pragma supportpragma
-rw-r--r--Makefile.in95
-rw-r--r--pptok.dat1
-rw-r--r--preproc.c42
-rw-r--r--preproc.h4
-rw-r--r--prtok.dat35
-rwxr-xr-xprtok.pl213
6 files changed, 348 insertions, 42 deletions
diff --git a/Makefile.in b/Makefile.in
index 8370d9af..98f40bc6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -72,9 +72,9 @@ NASM = nasm.$(O) nasmlib.$(O) ver.$(O) \
output/outobj.$(O) output/outas86.$(O) output/outrdf2.$(O) \
output/outdbg.$(O) output/outieee.$(O) output/outmac32.$(O) \
output/outmac64.$(O) preproc.$(O) quote.$(O) pptok.$(O) \
- macros.$(O) listing.$(O) eval.$(O) exprlib.$(O) stdscan.$(O) \
- strfunc.$(O) tokhash.$(O) regvals.$(O) regflags.$(O) \
- ilog2.$(O) \
+ prtok.$(O) macros.$(O) listing.$(O) eval.$(O) exprlib.$(O) \
+ stdscan.$(O) strfunc.$(O) tokhash.$(O) regvals.$(O) \
+ regflags.$(O) ilog2.$(O) \
lib/strlcpy.$(O)
NDISASM = ndisasm.$(O) disasm.$(O) sync.$(O) nasmlib.$(O) ver.$(O) \
@@ -160,6 +160,14 @@ pptok.c: pptok.dat pptok.pl perllib/phash.ph
pptok.ph: pptok.dat pptok.pl perllib/phash.ph
$(PERL) $(srcdir)/pptok.pl ph $(srcdir)/pptok.dat pptok.ph
+# Pragmas token hash
+prtok.h: prtok.dat prtok.pl perllib/phash.ph
+ $(PERL) $(srcdir)/prtok.pl h $(srcdir)/prtok.dat prtok.h
+prtok.c: prtok.dat prtok.pl perllib/phash.ph
+ $(PERL) $(srcdir)/prtok.pl c $(srcdir)/prtok.dat prtok.c
+prtok.ph: prtok.dat prtok.pl perllib/phash.ph
+ $(PERL) $(srcdir)/prtok.pl ph $(srcdir)/prtok.dat prtok.ph
+
# Directives hash
directiv.h: directiv.dat directiv.pl perllib/phash.ph
$(PERL) $(srcdir)/directiv.pl h $(srcdir)/directiv.dat directiv.h
@@ -171,6 +179,7 @@ directiv.c: directiv.dat directiv.pl perllib/phash.ph
PERLREQ = macros.c insnsb.c insnsa.c insnsd.c insnsi.h insnsn.c \
regs.c regs.h regflags.c regdis.c regdis.h regvals.c \
tokhash.c tokens.h pptok.h pptok.c pptok.ph \
+ prtok.h prtok.c prtok.ph \
directiv.c directiv.h \
version.h version.mac version.mak version.nsh
perlreq: $(PERLREQ)
@@ -272,71 +281,71 @@ alldeps: perlreq
# @path-separator: "/"
#-- Everything below is generated by mkdep.pl - do not edit --#
assemble.$(O): assemble.c assemble.h compiler.h config.h directiv.h insns.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h tables.h \
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tables.h \
tokens.h
crc64.$(O): crc64.c compiler.h config.h nasmlib.h
directiv.$(O): directiv.c compiler.h config.h directiv.h hashtbl.h insnsi.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
disasm.$(O): disasm.c compiler.h config.h directiv.h disasm.h insns.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regdis.h regs.h \
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regdis.h regs.h \
sync.h tables.h tokens.h
eval.$(O): eval.c compiler.h config.h directiv.h eval.h float.h insnsi.h \
- labels.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ labels.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
exprlib.$(O): exprlib.c compiler.h config.h directiv.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
float.$(O): float.c compiler.h config.h directiv.h float.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
hashtbl.$(O): hashtbl.c compiler.h config.h directiv.h hashtbl.h insnsi.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
ilog2.$(O): ilog2.c compiler.h config.h nasmlib.h
insnsa.$(O): insnsa.c compiler.h config.h directiv.h insns.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h tokens.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tokens.h
insnsb.$(O): insnsb.c compiler.h config.h directiv.h insns.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h tokens.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tokens.h
insnsd.$(O): insnsd.c compiler.h config.h directiv.h insns.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h tokens.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tokens.h
insnsn.$(O): insnsn.c compiler.h config.h insnsi.h opflags.h tables.h
labels.$(O): labels.c compiler.h config.h directiv.h hashtbl.h insnsi.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
lib/snprintf.$(O): lib/snprintf.c compiler.h config.h nasmlib.h
lib/strlcpy.$(O): lib/strlcpy.c compiler.h config.h
lib/vsnprintf.$(O): lib/vsnprintf.c compiler.h config.h nasmlib.h
listing.$(O): listing.c compiler.h config.h directiv.h insnsi.h listing.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
macros.$(O): macros.c compiler.h config.h directiv.h hashtbl.h insnsi.h \
- nasm.h nasmlib.h opflags.h output/outform.h pptok.h preproc.h regs.h \
+ nasm.h nasmlib.h opflags.h output/outform.h pptok.h prtok.h preproc.h regs.h \
tables.h
nasm.$(O): nasm.c assemble.h compiler.h config.h directiv.h eval.h float.h \
insns.h insnsi.h labels.h listing.h nasm.h nasmlib.h opflags.h \
- output/outform.h parser.h pptok.h preproc.h raa.h regs.h saa.h stdscan.h \
+ output/outform.h parser.h pptok.h prtok.h preproc.h raa.h regs.h saa.h stdscan.h \
tokens.h
nasmlib.$(O): nasmlib.c compiler.h config.h directiv.h insns.h insnsi.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h tokens.h
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tokens.h
ndisasm.$(O): ndisasm.c compiler.h config.h directiv.h disasm.h insns.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h sync.h \
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h sync.h \
tokens.h
output/nulldbg.$(O): output/nulldbg.c compiler.h config.h directiv.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
output/nullout.$(O): output/nullout.c compiler.h config.h directiv.h \
- insnsi.h nasm.h nasmlib.h opflags.h output/outlib.h pptok.h preproc.h \
+ insnsi.h nasm.h nasmlib.h opflags.h output/outlib.h pptok.h prtok.h preproc.h \
regs.h
output/outaout.$(O): output/outaout.c compiler.h config.h directiv.h eval.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h raa.h regs.h saa.h stdscan.h
+ pptok.h prtok.h preproc.h raa.h regs.h saa.h stdscan.h
output/outas86.$(O): output/outas86.c compiler.h config.h directiv.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h raa.h regs.h saa.h
+ pptok.h prtok.h preproc.h raa.h regs.h saa.h
output/outbin.$(O): output/outbin.c compiler.h config.h directiv.h eval.h \
insnsi.h labels.h nasm.h nasmlib.h opflags.h output/outform.h \
- output/outlib.h pptok.h preproc.h regs.h saa.h stdscan.h
+ output/outlib.h pptok.h prtok.h preproc.h regs.h saa.h stdscan.h
output/outcoff.$(O): output/outcoff.c compiler.h config.h directiv.h eval.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- output/pecoff.h pptok.h preproc.h raa.h regs.h saa.h
+ output/pecoff.h pptok.h prtok.h preproc.h raa.h regs.h saa.h
output/outdbg.$(O): output/outdbg.c compiler.h config.h directiv.h insnsi.h \
- nasm.h nasmlib.h opflags.h output/outform.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h output/outform.h pptok.h prtok.h preproc.h regs.h
output/outelf.$(O): output/outelf.c compiler.h config.h directiv.h insnsi.h \
nasm.h nasmlib.h opflags.h output/dwarf.h output/elf.h output/outelf.h \
- output/outform.h pptok.h preproc.h regs.h
+ output/outform.h pptok.h prtok.h preproc.h regs.h
output/outelf32.$(O): output/outelf32.c compiler.h config.h directiv.h \
eval.h insnsi.h nasm.h nasmlib.h opflags.h output/dwarf.h output/elf.h \
output/outelf.h output/outform.h output/outlib.h output/stabs.h pptok.h \
@@ -346,49 +355,51 @@ output/outelf64.$(O): output/outelf64.c compiler.h config.h directiv.h \
output/outelf.h output/outform.h output/outlib.h output/stabs.h pptok.h \
preproc.h raa.h rbtree.h regs.h saa.h stdscan.h
output/outform.$(O): output/outform.c compiler.h config.h directiv.h \
- insnsi.h nasm.h nasmlib.h opflags.h output/outform.h pptok.h preproc.h \
+ insnsi.h nasm.h nasmlib.h opflags.h output/outform.h pptok.h prtok.h preproc.h \
regs.h
output/outieee.$(O): output/outieee.c compiler.h config.h directiv.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h regs.h
+ pptok.h prtok.h preproc.h regs.h
output/outlib.$(O): output/outlib.c compiler.h config.h directiv.h insnsi.h \
- nasm.h nasmlib.h opflags.h output/outlib.h pptok.h preproc.h regs.h
+ nasm.h nasmlib.h opflags.h output/outlib.h pptok.h prtok.h preproc.h regs.h
output/outmac32.$(O): output/outmac32.c compiler.h config.h directiv.h \
eval.h insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h raa.h regs.h saa.h
+ pptok.h prtok.h preproc.h raa.h regs.h saa.h
output/outmac64.$(O): output/outmac64.c compiler.h config.h directiv.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h raa.h regs.h saa.h
+ pptok.h prtok.h preproc.h raa.h regs.h saa.h
output/outobj.$(O): output/outobj.c compiler.h config.h directiv.h eval.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h regs.h stdscan.h
+ pptok.h prtok.h preproc.h regs.h stdscan.h
output/outrdf2.$(O): output/outrdf2.c compiler.h config.h directiv.h \
insnsi.h nasm.h nasmlib.h opflags.h output/outform.h output/outlib.h \
- pptok.h preproc.h rdoff/rdoff.h regs.h saa.h
+ pptok.h prtok.h preproc.h rdoff/rdoff.h regs.h saa.h
parser.$(O): parser.c compiler.h config.h directiv.h eval.h float.h insns.h \
- insnsi.h nasm.h nasmlib.h opflags.h parser.h pptok.h preproc.h regs.h \
+ insnsi.h nasm.h nasmlib.h opflags.h parser.h pptok.h prtok.h preproc.h regs.h \
stdscan.h tables.h tokens.h
pptok.$(O): pptok.c compiler.h config.h hashtbl.h nasmlib.h pptok.h \
preproc.h
+prtok.$(O): prtok.c compiler.h config.h hashtbl.h nasmlib.h prtok.h \
+ preproc.h
preproc.$(O): preproc.c compiler.h config.h directiv.h eval.h hashtbl.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h quote.h regs.h \
- stdscan.h tables.h tokens.h
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h prtok.h quote.h \
+ regs.h stdscan.h tables.h tokens.h
quote.$(O): quote.c compiler.h config.h nasmlib.h quote.h
raa.$(O): raa.c compiler.h config.h nasmlib.h raa.h
rbtree.$(O): rbtree.c compiler.h config.h rbtree.h
regdis.$(O): regdis.c regdis.h regs.h
regflags.$(O): regflags.c compiler.h config.h directiv.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h tables.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tables.h
regs.$(O): regs.c compiler.h config.h insnsi.h opflags.h tables.h
regvals.$(O): regvals.c compiler.h config.h insnsi.h opflags.h tables.h
saa.$(O): saa.c compiler.h config.h nasmlib.h saa.h
stdscan.$(O): stdscan.c compiler.h config.h directiv.h insns.h insnsi.h \
- nasm.h nasmlib.h opflags.h pptok.h preproc.h quote.h regs.h stdscan.h \
+ nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h quote.h regs.h stdscan.h \
tokens.h
strfunc.$(O): strfunc.c compiler.h config.h directiv.h insnsi.h nasm.h \
- nasmlib.h opflags.h pptok.h preproc.h regs.h
+ nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h
sync.$(O): sync.c compiler.h config.h nasmlib.h sync.h
tokhash.$(O): tokhash.c compiler.h config.h directiv.h hashtbl.h insns.h \
- insnsi.h nasm.h nasmlib.h opflags.h pptok.h preproc.h regs.h tokens.h
+ insnsi.h nasm.h nasmlib.h opflags.h pptok.h prtok.h preproc.h regs.h tokens.h
ver.$(O): ver.c compiler.h config.h directiv.h insnsi.h nasm.h nasmlib.h \
- opflags.h pptok.h preproc.h regs.h version.h
+ opflags.h pptok.h prtok.h preproc.h regs.h version.h
diff --git a/pptok.dat b/pptok.dat
index 7680356a..88083118 100644
--- a/pptok.dat
+++ b/pptok.dat
@@ -83,6 +83,7 @@
%macro
%pathsearch
%pop
+%pragma
%push
%rep
%repl
diff --git a/preproc.c b/preproc.c
index 5fdeab26..96b1f250 100644
--- a/preproc.c
+++ b/preproc.c
@@ -2277,6 +2277,36 @@ static int parse_size(const char *str) {
}
/**
+ * find and process pragma directive in passed line
+ * Find out if a line contains a pragma directive, and deal
+ * with it if so.
+ *
+ * @param tline a pointer to the current tokeninzed line linked list
+ * @return DIRECTIVE_FOUND or NO_DIRECTIVE_FOUND
+ *
+ */
+static int do_pragma(Token * tline)
+{
+ enum pragma_token i;
+
+ i = pr_token_hash(tline->text);
+
+ switch (i) {
+ case PR_INVALID:
+ error(ERR_NONFATAL, "unknown pragma directive `%s'",
+ tline->text);
+ return NO_DIRECTIVE_FOUND; /* didn't get it */
+
+ default:
+ error(ERR_FATAL,
+ "pragma directive `%s' not yet implemented",
+ pr_directives[i]);
+ return DIRECTIVE_FOUND;
+
+ }
+}
+
+/**
* find and process preprocessor directive in passed line
* Find out if a line contains a preprocessor directive, and deal
* with it if so.
@@ -3903,6 +3933,18 @@ issue_error:
free_tlist(origline);
return DIRECTIVE_FOUND;
+ case PP_PRAGMA:
+ if (defining != NULL) return NO_DIRECTIVE_FOUND;
+ tline = tline->next;
+ skip_white_(tline);
+ if (tline == NULL) {
+ error(ERR_NONFATAL, "`%%pragma' expects at least one parameter");
+ } else {
+ do_pragma(tline);
+ }
+ free_tlist(origline);
+ return DIRECTIVE_FOUND;
+
default:
error(ERR_FATAL,
"preprocessor directive `%s' not yet implemented",
diff --git a/preproc.h b/preproc.h
index e48addae..8774d9d1 100644
--- a/preproc.h
+++ b/preproc.h
@@ -39,14 +39,18 @@
#define NASM_PREPROC_H
#include "pptok.h"
+#include "prtok.h"
extern const char * const pp_directives[];
extern const uint8_t pp_directives_len[];
+extern const char * const pr_directives[];
+extern const uint8_t pr_directives_len[];
/* Pointer to a macro chain */
typedef const unsigned char macros_t;
enum preproc_token pp_token_hash(const char *token);
+enum pragma_token pr_token_hash(const char *token);
void pp_include_path(char *);
void pp_pre_include(char *);
void pp_pre_define(char *);
diff --git a/prtok.dat b/prtok.dat
new file mode 100644
index 00000000..f91da024
--- /dev/null
+++ b/prtok.dat
@@ -0,0 +1,35 @@
+## --------------------------------------------------------------------------
+##
+## Copyright 1996-2011 The NASM Authors - All Rights Reserved
+## See the file AUTHORS included with the NASM distribution for
+## the specific copyright holders.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following
+## conditions are met:
+##
+## * Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## * Redistributions in binary form must reproduce the above
+## copyright notice, this list of conditions and the following
+## disclaimer in the documentation and/or other materials provided
+## with the distribution.
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+## CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+## EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+##
+## --------------------------------------------------------------------------
+
+# pragmas.dat table of pragmas for the Netwide Assembler
+replace
diff --git a/prtok.pl b/prtok.pl
new file mode 100755
index 00000000..3de5284b
--- /dev/null
+++ b/prtok.pl
@@ -0,0 +1,213 @@
+#!/usr/bin/perl
+## --------------------------------------------------------------------------
+##
+## Copyright 1996-2011 The NASM Authors - All Rights Reserved
+## See the file AUTHORS included with the NASM distribution for
+## the specific copyright holders.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following
+## conditions are met:
+##
+## * Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## * Redistributions in binary form must reproduce the above
+## copyright notice, this list of conditions and the following
+## disclaimer in the documentation and/or other materials provided
+## with the distribution.
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+## CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+## EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+##
+## --------------------------------------------------------------------------
+
+#
+# Produce prtok.c, prtok.h and prtok.ph from prtok.dat
+#
+
+require 'phash.ph';
+
+my($what, $in, $out) = @ARGV;
+
+#
+# Read prtok.dat
+#
+open(IN, "< $in") or die "$0: cannot open: $in\n";
+while (defined($line = <IN>)) {
+ chomp $line;
+ $line =~ s/^\s+//; # Remove leading whitespace
+ $line =~ s/\s*\#.*$//; # Remove comments and trailing whitespace
+ next if ($line eq '');
+
+ if ($line =~ /^(.*)$/) {
+ push(@prtok, $1);
+ }
+}
+close(IN);
+
+@prtok = sort @prtok;
+
+open(OUT, "> $out") or die "$0: cannot open: $out\n";
+
+#
+# Output prtok.h
+#
+if ($what eq 'h') {
+ print OUT "/* Automatically generated from $in by $0 */\n";
+ print OUT "/* Do not edit */\n";
+ print OUT "\n";
+
+ print OUT "enum pragma_token {\n";
+ $n = 0;
+ foreach $pt (@prtok) {
+ if (defined($pt)) {
+ printf OUT " %-16s = %3d,\n", "PR_\U$pt\E", $n;
+ }
+ $n++;
+ }
+ printf OUT " %-16s = %3d\n", 'PR_INVALID', -1;
+ print OUT "};\n";
+ print OUT "\n";
+}
+
+#
+# Output prtok.c
+#
+if ($what eq 'c') {
+ print OUT "/* Automatically generated from $in by $0 */\n";
+ print OUT "/* Do not edit */\n";
+ print OUT "\n";
+
+ my %tokens = ();
+ my @tokendata = ();
+
+ my $n = 0;
+ foreach $pt (@prtok) {
+ if (defined($pt)) {
+ $tokens{'%'.$pt} = $n;
+ if ($pt =~ /[\@\[\]\\_]/) {
+ # Fail on characters which look like upper-case letters
+ # to the quick-and-dirty downcasing in the prehash
+ # (see below)
+ die "$in: invalid character in token: $pt";
+ }
+ }
+ $n++;
+ }
+
+ my @hashinfo = gen_perfect_hash(\%tokens);
+ if (!@hashinfo) {
+ die "$0: no hash found\n";
+ }
+
+ # Paranoia...
+ verify_hash_table(\%tokens, \@hashinfo);
+
+ ($n, $sv, $g) = @hashinfo;
+ $sv2 = $sv+2;
+
+ die if ($n & ($n-1));
+
+ print OUT "#include \"compiler.h\"\n";
+ print OUT "#include <inttypes.h>\n";
+ print OUT "#include <ctype.h>\n";
+ print OUT "#include \"nasmlib.h\"\n";
+ print OUT "#include \"hashtbl.h\"\n";
+ print OUT "#include \"preproc.h\"\n";
+ print OUT "\n";
+
+ # Note that this is global.
+ printf OUT "const char * const pr_directives[%d] = {\n", scalar(@prtok);
+ foreach $d (@prtok) {
+ if (defined($d)) {
+ print OUT " \"$d\",\n";
+ } else {
+ print OUT " NULL,\n";
+ }
+ }
+ print OUT "};\n";
+
+ printf OUT "const uint8_t pr_directives_len[%d] = {\n", scalar(@prtok);
+ foreach $d (@prtok) {
+ printf OUT " %d,\n", defined($d) ? length($d)+1 : 0;
+ }
+ print OUT "};\n";
+
+ print OUT "enum pragma_token pr_token_hash(const char *token)\n";
+ print OUT "{\n";
+
+ # Put a large value in unused slots. This makes it extremely unlikely
+ # that any combination that involves unused slot will pass the range test.
+ # This speeds up rejection of unrecognized tokens, i.e. identifiers.
+ print OUT "#define UNUSED 16383\n";
+
+ print OUT " static const int16_t hash1[$n] = {\n";
+ for ($i = 0; $i < $n; $i++) {
+ my $h = ${$g}[$i*2+0];
+ print OUT " ", defined($h) ? $h : 'UNUSED', ",\n";
+ }
+ print OUT " };\n";
+
+ print OUT " static const int16_t hash2[$n] = {\n";
+ for ($i = 0; $i < $n; $i++) {
+ my $h = ${$g}[$i*2+1];
+ print OUT " ", defined($h) ? $h : 'UNUSED', ",\n";
+ }
+ print OUT " };\n";
+
+ print OUT " uint32_t k1, k2;\n";
+ print OUT " uint64_t crc;\n";
+ # For correct overflow behavior, "ix" should be unsigned of the same
+ # width as the hash arrays.
+ print OUT " uint16_t ix;\n";
+ print OUT "\n";
+
+ printf OUT " crc = crc64i(UINT64_C(0x%08x%08x), token);\n",
+ $$sv[0], $$sv[1];
+ print OUT " k1 = (uint32_t)crc;\n";
+ print OUT " k2 = (uint32_t)(crc >> 32);\n";
+ print OUT "\n";
+ printf OUT " ix = hash1[k1 & 0x%x] + hash2[k2 & 0x%x];\n", $n-1, $n-1;
+ printf OUT " if (ix >= %d)\n", scalar(@prtok);
+ print OUT " return PR_INVALID;\n";
+ print OUT "\n";
+
+ print OUT " if (!pr_directives[ix] || nasm_stricmp(pr_directives[ix], token))\n";
+ print OUT " return PR_INVALID;\n";
+ print OUT "\n";
+ print OUT " return ix;\n";
+ print OUT "}\n";
+}
+
+#
+# Output prtok.ph
+#
+if ($what eq 'ph') {
+ print OUT "# Automatically generated from $in by $0\n";
+ print OUT "# Do not edit\n";
+ print OUT "\n";
+
+ print OUT "%prtok_hash = (\n";
+ $n = 0;
+ foreach $tok (@prtok) {
+ if (defined($tok)) {
+ printf OUT " '%%%s' => %d,\n", $tok, $n;
+ }
+ $n++;
+ }
+ print OUT ");\n";
+ print OUT "1;\n";
+}
+
+